Andy tries to pass off mountain man...

Andy tries to pass off mountain man Ernest T. Bass (Howard Morris) as his sophisticated cousin at a high-society party on “The Andy Griffith Show” (Wednesday at 10 a.m. on KTTV).

Jack Webb not only stars in but wrote the first episode of “Dragnet” (Wednesday at 10 p.m. on Nickelodeon) which investigates the national problem, circa 1967, of LSD in the hands of teen-agers.

A pre-”MASH” Jamie Farr plays a member of a Gypsy caravan who camps near Mayberry and sells cheap trinkets on “The Andy Griffith Show” (Thursday at 5:30 a.m. on KTTV).

David E. Kelley won an Emmy last year for writing the “On the Toad Again” episode of “L.A. Law” (Thursday at 8 p.m. on Lifetime) which finds C.J. (Amanda Donohue) defending an elderly man who gets high when he licks Cain toads, whose skin contains a type of narcotic.

Jack Dodson, who later became Howard Sprague on “The Andy Griffith Show,” makes his first appearance on the series (Thursday at 8:35 a.m. on TBS) as an insurance agent.

Flipper gets amnesia after he receives a concussion and doesn’t recognize Bud, who is trapped on a buoy encircled by sharks on “Flipper” (Thursday at 3 p.m. on Nickelodeon).

Alice Ghostley (“Designing Women”) and Tom Bosley (“Happy Days”) guests on “Get Smart” ( Thursday at 9 p.m. on Nickelodeon) in an episode in which 99 accepts a poisoned chocolate mousse from a neighbor.

Look for Academy Award-winner Jack Albertson (“The Subject Was Roses”) in the “Bon Voyage” episode of “I Love Lucy” (Friday at 3:05 a.m. on TBS).

Oscar-winning Broderick Crawford (“All the Kings Men”), who also starred in “Highway Patrol,” guests on “City of Angels” (Friday at 7 a.m. on A&E;) as a tough tycoon whose unfaithful mistress is found dead.

Miss Daisy herself, Jessica Tandy, finds herself in the back seat of a chauffeured limousine in “The Canary Sedan” installment of “Alfred Hitchcock Presents” (Friday at 10:30 p.m. on Nickelodeon).